package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.constants.article.HotArticleConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.UpdateArticleMess;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Resource
    MongoTemplate mongoTemplate;
    @Resource
    RabbitTemplate rabbitTemplate;


    @Override

    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数,点赞需要登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
//​       校验文章id不能为空     使用注解校验
//​        校验点赞方式 只能是0 或 1   使用注解校验
// 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry apBehaviorEntry =
                apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "获取行为实体信息失败");
        }
// 3. 如果是点赞操作  判断是否已经点过赞
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).
                and("articleId").is(dto.getArticleId()));
        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (dto.getOperation().intValue() == 0 && likesBehavior != null) {
            CustException.cust(AppHttpCodeEnum.DATA_EXIST, "请勿重复点赞");
        }
        if (dto.getOperation() == 1) {
// 取消点赞  删除点赞数据
            mongoTemplate.remove(query, ApLikesBehavior.class);
        } else {
            // 点赞   添加点赞数据
            likesBehavior = new ApLikesBehavior();
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setType((short) 0);
            likesBehavior.setOperation((short) 0);
            likesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(likesBehavior);
        }
        UpdateArticleMess mess = new UpdateArticleMess();
        mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation() == 0 ? 1 : -1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));
        return ResponseResult.okResult();
    }
}
